Question

ii) 2x2 + x + 1 = 0
find discriminant​

Answer 1

${b}^{2} - 4ac = {1}^{2 } - 4(2)(1)$

=1-8

=-7

Answer 2

Heyaa☺

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2x^2 + x + 1 = 0

Here, a = 2 ; b =1 ; c = 1

Discriminant =》 b^2 - 4ac

(1)^2 - 4(2)(1)

=》 1 - 8

=》 -7

0 > -7

I.e, the roots are not real.

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Hope you understand..✌